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Nontrivial Topological Phases in Zig-Zag Arrays of Polarization Transmons
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DOI：10.1002/qute.202500912.png)
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Abstract
En 中文
In recent years, quantum simulators of topological models have been extensively studied across a variety of platforms and regimes. A new promising research direction makes use of meta-atoms with multiple intrinsic degrees of freedom, which to date have been predominantly studied in the classical regime. Here, we propose a superconducting quantum simulator to study an extension of the well-known Zig-Zag model with long-range cross-polarization couplings using polarization transmons hosting degenerate dipole orbitals. We map the phase transitions of the extended Zig-Zag model both numerically and analytically using inverse participation ratios and topological invariants. We demonstrate the existence of in-gap localized non-trivial and Tamm edge states. With linearized meta-atoms, we show via electromagnetic modeling that the proposed arrangement closely reproduces the extended Zig-Zag model. This work paves the way toward experimental investigation of the previously inaccessible topological quantum many-body phenomena.
Keywords:
quantum simulation
superconducting artificial atoms
topological physics
Journal
A
IF:
4.3
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387
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3.2K
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